NT78 Operation condition NT78 R C US E174722 03001003504 15.7 12.3 14 Features Small size, light weight. Low coil consumption. PC board mounting. Suitable for household electrical appliances, automation system, electronic equipment, instrument, meter, telecommunication facilities and remote control facilities. Insulation Resistance 100M Dielectric Strength Between contacts Between contact and coil min (at 500VDC) Item 7 of IEC 61810-5 50Hz 500V 50Hz 500V Item 6 of IEC 61810-5 Item 6 of IEC 61810-5 Shock resistance Vibration resistance Terminals strength Solderability Ambient Temperature Relative Humidity Mass 100m/s 2 11ms 10~55Hz double amplitude 1.5mm 10N 235 2 3 0.5s -40~85 85% (at 20 ) 6g IEC68-2-27 Test Ea IEC68-2-6 Test Fc IEC68-2-21 Test Ua1 IEC68-2-20 Test Ta method 1 IEC68-2-3Test Ca Safety approvals Safety approval UL&CUR CQC NO 20A/14VDC 10A/120VAC NC 10A/14VDC 1/2HP 125VAC TV-5 Load 5A/250VAC Ordering Information 2 3 4 5 0.6 6 1 Part number NT78 2 Contact arrangement A:1A B:1B C:1C U:1U 3 Enclosure S: Sealed type NIL: Dust cover 4 Contact rating 5A,10A/14VDC 10A/120VAC 5A/250VAC 5 Coil rated voltage(V) DC:6,9,12,24 6 Coil power consumption 0.6:0.6W 0.8:0.8W Dimensions mm /inch Max. 0.618max. Max. 0.484max. Contact Rating (resistive) Max. Switching Power Max. Switching Voltage Contact Resistance or Voltage drop Operation al Electrical life Mechanical 1A SPSTNO 1B SPSTNC 1C SPDT(B-M) 1U SPSTNODM AgCdO AgSnO2 NO:20A/14VDC 10A/120VAC,5A/250VAC IU:2 10A/14VDC NC:15A/14VDC,10A/120VAC,5A/250VAC Motor load : 1/2HP 125VAC Lamp load : TV-5 280W 1250VA 42VDC 380VAC Max. Switching Current:20A 50m Item 4.12 of IEC 61810-7 105 Item 4.30 of IEC 61810-7 107 Item 4.31 of IEC 61810-7 0.138 Contact Arrangement Contact Material 0.016 Contact Data 0.197 0.0197 1 Max. 0.551max. NT78 C S 10 DC12V 0.098 0.057 0.055 0.401 0.043 0.016 Mounting (Bottom view) Dimensions Coil Parameter Dash numbers Coil voltage VDC Rated Coil resistance 10% Max. Pickup Release voltage voltage Coil power VDC(min) VDC(max) (5% of rated consumption (80%of rated W voltage) voltage ) 006-600 6 6.6 60 4.8 0.30 009-600 9 9.9 135 7.2 0.45 012-600 12 13.2 240 9.6 0.60 024-600 24 26.4 960 19.2 1.20 006-800 6 6.6 45 4.8 0.30 009-800 9 9.9 102 7.2 0.45 012-800 12 13.2 180 9.6 0.60 024-800 24 26.4 720 19.2 1.20 1B Operate Time ms Release Time ms Wiring diagram (Bottom view) NOTES 1).Dimensions are in millimeters. 2).Inch equivalents are given for general information only. 0.6 10 5 Reference Data 0.8 10 5 CAUTION: 1.The use of any coil voltage less than the rated coil voltage will compromise the operation of the relay. 2.Pickup and release voltage are for test purposes only and are not to be used as design criteria. 101 Ningbo Huaguan Electronics Corporation LTD. 102